397530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{631}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 1183104

約数和(自身を除く): 785574

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 631, 1262, 1893, 3155, 3786, 4417, 5679, 6310, 8834, 9465, 11358, 13251, 18930, 22085, 26502, 28395, 39753, 44170, 56790, 66255, 79506, 132510, 198765, 397530]

約数ペア:

[(1, 397530), (2, 198765), (3, 132510), (5, 79506), (6, 66255), (7, 56790), (9, 44170), (10, 39753), (14, 28395), (15, 26502), (18, 22085), (21, 18930), (30, 13251), (35, 11358), (42, 9465), (45, 8834), (63, 6310), (70, 5679), (90, 4417), (105, 3786), (126, 3155), (210, 1893), (315, 1262), (630, 631)]